Date: Tue, 4 Nov 2008 18:54:44 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r184650 - head/sys/fs/unionfs Message-ID: <200811041854.mA4IsiuL004838@svn.freebsd.org>
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Author: jhb Date: Tue Nov 4 18:54:44 2008 New Revision: 184650 URL: http://svn.freebsd.org/changeset/base/184650 Log: Don't pass WANTPARENT to the pathname lookup of the mount point for a unionfs mount just so we can immediately drop the reference on the parent directory vnode without using it. Modified: head/sys/fs/unionfs/union_vfsops.c Modified: head/sys/fs/unionfs/union_vfsops.c ============================================================================== --- head/sys/fs/unionfs/union_vfsops.c Tue Nov 4 18:53:33 2008 (r184649) +++ head/sys/fs/unionfs/union_vfsops.c Tue Nov 4 18:54:44 2008 (r184650) @@ -268,7 +268,7 @@ unionfs_domount(struct mount *mp, struct /* * Find upper node */ - NDINIT(ndp, LOOKUP, FOLLOW | WANTPARENT | LOCKLEAF, UIO_SYSSPACE, target, td); + NDINIT(ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, target, td); if ((error = namei(ndp))) return (error); @@ -278,9 +278,6 @@ unionfs_domount(struct mount *mp, struct lowerrootvp = mp->mnt_vnodecovered; upperrootvp = ndp->ni_vp; - vrele(ndp->ni_dvp); - ndp->ni_dvp = NULLVP; - /* create unionfs_mount */ ump = (struct unionfs_mount *)malloc(sizeof(struct unionfs_mount), M_UNIONFSMNT, M_WAITOK | M_ZERO);
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